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L\u2019optimisation de l\u2019utilisation des ressources de calculs est devenue un enjeu majeur pour les centres de calculs, quelque soit leur taille, comme pour les m\u00e9socentres.
\r\n\r\nPour le d\u00e9veloppeur de codes scientifiques, l\u2019optimisation consiste bien \u00e9videmment en l'\u00e9criture d\u2019un code efficace, tirant parti de toutes les fonctionnalit\u00e9s et subtilit\u00e9s des nouvelles architectures. Pour l\u2019utilisateur, il s\u2019agit d\u2019ex\u00e9cuter de mani\u00e8re optimale le code dans l\u2019environnement qui lui est propos\u00e9.
\r\n\r\nDans les deux cas, une connaissance de l\u2019architecture de la machine cible et de son fonctionnement est indispensable (CPU, hi\u00e9rarchie m\u00e9moire, r\u00e9seau d\u2019interconnexion rapide, stockage, co-processeur).
\r\n\r\nCet ensemble de 2 s\u00e9minaires permettra \u00e0 tous, chercheurs, ing\u00e9nieurs et \u00e9tudiants de mieux appr\u00e9hender les architectures misent \u00e0 leur disposition et l'impact qu'elles ont sur les performances de leurs applications. Ils seront \u00e9galement l\u2019occasion d\u2019un partage de bonnes pratiques dans la conception et l\u2019ex\u00e9cution des codes sur les architectures multi- et many-cores.
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\r\n\r\nPour le d\u00e9veloppeur de codes scientifiques, l\u2019optimisation consiste bien \u00e9videmment en l'\u00e9criture d\u2019un code efficace, tirant parti de toutes les fonctionnalit\u00e9s et subtilit\u00e9s des nouvelles architectures. Pour l\u2019utilisateur, il s\u2019agit d\u2019ex\u00e9cuter de mani\u00e8re optimale le code dans l\u2019environnement qui lui est propos\u00e9.
\r\n\r\nDans les deux cas, une connaissance de l\u2019architecture de la machine cible et de son fonctionnement est indispensable (CPU, hi\u00e9rarchie m\u00e9moire, r\u00e9seau d\u2019interconnexion rapide, stockage, co-processeur).
\r\n\r\nCet ensemble de 2 s\u00e9minaires permettra \u00e0 tous, chercheurs, ing\u00e9nieurs et \u00e9tudiants de mieux appr\u00e9hender les architectures misent \u00e0 leur disposition et l'impact qu'elles ont sur les performances de leurs applications. Ils seront \u00e9galement l\u2019occasion d\u2019un partage de bonnes pratiques dans la conception et l\u2019ex\u00e9cution des codes sur les architectures multi- et many-cores.
\r\n", "tra_web": "http://grenoble-calcul.imag.fr/spip.php?article19", "tra_place": "Grenoble", "tra_start_date": "2014-01-28", "tra_end_date": "2014-01-28", "tra_redirect": false}, {"tra_keywords": ["Science de la Vie"], "tra_speakers": ["Thomas Bessaih", "Patricia Reynaud-Bouret"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 135, "tra_title": "Estimation of local dependence graphs via Hawkes processes to unravel functional neuronal connectivity", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2014-01-15", "tra_end_date": "2014-01-15", "tra_redirect": false}, {"tra_keywords": ["Couleur et vision humaine, aspects physiologiques "], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["Rencontres Pluridisciplinaires Sciences Vie Maths "], "tra_snippet": "", "tra_id": 129, "tra_title": "Premi\u00e8re Rencontre Pluridisciplinaire Sciences Vie-Maths de Grenoble", "tra_objective": "", "tra_web": "http://david.alleysson.free.fr/RPSVMG/", "tra_place": "LJK-Tour IRMA, Salle I, Grenoble", "tra_start_date": "2013-12-05", "tra_end_date": "2013-12-05", "tra_redirect": false}, {"tra_keywords": ["Science de la Vie", "Mod\u00e9lisation"], "tra_speakers": ["Fran\u00e7ois Ducray", "Paul Vigneaux"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 127, "tra_title": "EDP et Statistiques, application \u00e0 la mod\u00e9lisation de gliomes de bas grades", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2013-11-27", "tra_end_date": "2013-11-27", "tra_redirect": false}, {"tra_keywords": ["Science de la Vie", "M\u00e9canique"], "tra_speakers": ["Emmanuel Promayon", "Fran\u00e7ois Faure"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 126, "tra_title": "Mod\u00e8les d\u00e9formables interactifs pour la simulation m\u00e9dicale", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2013-11-13", "tra_end_date": "2013-11-13", "tra_redirect": false}, {"tra_keywords": ["HPC", "GPU", "High Performance Computing", "Acc\u00e9l\u00e9rateur"], "tra_speakers": ["Nathanael Schaeffer", "Vincent Boulos"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "", "tra_id": 120, "tra_title": "Retour d'exp\u00e9rience sur les X\u00e9on-phi\" collaboration BULL", "tra_objective": "", "tra_web": "", "tra_place": "LJK - Grenoble", "tra_start_date": "2013-10-23", "tra_end_date": "2013-10-23", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation", "M\u00e9todes Multi-\u00e9chelles"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 114, "tra_title": "Dynamique des syst\u00e8mes multi-niveaux : Applications \u00e0 la dynamique des populations et des ressources renouvelables", "tra_objective": "", "tra_web": "", "tra_place": "", "tra_start_date": "2013-10-02", "tra_end_date": "2013-10-02", "tra_redirect": false}, {"tra_keywords": ["M\u00e9thodes Num\u00e9riques", "Mod\u00e9lisation", "M\u00e9todes Multi-\u00e9chelles"], "tra_speakers": ["Melody Swartz", "Assyr Abdulle"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 109, "tra_title": "Multiscale modeling in biomechanics and numerical homogenization methods", "tra_objective": "", "tra_web": "http://www-ljk.imag.fr/Seminars/1368623444025.html", "tra_place": "Grenoble", "tra_start_date": "2013-06-19", "tra_end_date": "2013-06-19", "tra_redirect": false}, {"tra_keywords": [], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["MaiMoSiNE"], "tra_snippet": "Ce s\u00e9minaire en entr\u00e9e libre est organis\u00e9 par l'Institut Fourier, le LJK, AMIES et MAIMOSINE.\r\n", "tra_id": 95, "tra_title": "Introduction of Mathematics for Industry (Masato Wakayama, Kyushu University)", "tra_objective": "Ce s\u00e9minaire en entr\u00e9e libre est organis\u00e9 par l'Institut Fourier, le LJK, AMIES et MAIMOSINE.\r\n", "tra_web": "", "tra_place": "Institut Fourier, Salle 04", "tra_start_date": "2013-02-22", "tra_end_date": "2013-02-22", "tra_redirect": false}, {"tra_keywords": ["HPC", "M\u00e9thodes Num\u00e9riques", "Calcul Scientifique"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "The PETSc (www.mcs.anl.gov/petsc) library offers tools for the parallel solution of partial differential equations, with", "tra_id": 93, "tra_title": "Introduction to PETSc: a user's point of view", "tra_objective": "The PETSc (www.mcs.anl.gov/petsc) library offers tools for the parallel solution of partial differential equations, with an emphasis on scalability.
\r\nPETSc mainly supports MPI parallelism, and is employed in an impressive list of modeling softwares in many different application areas. Its features include parallel vector and matrices, as well as data and grid management tools.
\r\nFor the solution itself, parallel preconditioners and Krylov iterative solvers are offered, as well as interfaces with external packages like the direct solvers PaStiX, MUMPS and SuperLU.
\r\nMoreover, parallel Newton-based nonlinear solvers and timestepping ODE solvers are provided.
\r\n
\r\nThis talk will survey the PETSc main features, and focus on my personal user experience.
\r\n
\r\nIt will also serve as an introduction to the PETSc training planned for the Spring 2013.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2013-01-22", "tra_end_date": "2013-01-22", "tra_redirect": false}, {"tra_keywords": ["Parall\u00e9lisation hybride", "HPC", "High Performance Computing"], "tra_speakers": ["Philippe Wautelet"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "L'evolution des supercalculateurs et la multiplication du nombre de coeurs par \r\nnoeud pose un nouveau d\u00e9fi quant a l'ut", "tra_id": 82, "tra_title": "Petite introduction a la programmation hybride MPI/OpenMP", "tra_objective": "L'evolution des supercalculateurs et la multiplication du nombre de coeurs par \r\nnoeud pose un nouveau d\u00e9fi quant a l'utilisation optimale de ces ressources. La \r\nprogrammation hybride MPI/OpenMP qui consiste a m\u00e9langer deux paradigmes de \r\nparall\u00e9lisme est actuellement l'approche privil\u00e9gi\u00e9e pour exploiter ces \r\nnouvelles architectures. Le but de ce s\u00e9minaire est d'introduire cette \r\napproche avec ses avantages et inconv\u00e9nients.
\r\n
\r\nCe s\u00e9minaire se prolongera par une discussion ouverte sur vos probl\u00e9matiques.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-11-27", "tra_end_date": "2012-11-27", "tra_redirect": false}, {"tra_keywords": ["Pr\u00e9vision", "Atmosph\u00e8re", "Mod\u00e9lisation atmosph\u00e9riques"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": [], "tra_snippet": "", "tra_id": 78, "tra_title": "S\u00e9minaire In'Tech - Atmosph\u00e8re et pr\u00e9visions m\u00e9t\u00e9orologiques : nouveaux outils, nouveaux usages", "tra_objective": "", "tra_web": "http://www.inria.fr/centre/grenoble/agenda/seminaire-in-tech-atmosphere-et-previsions-meteorologiques", "tra_place": "Inria Grenoble ", "tra_start_date": "2012-09-27", "tra_end_date": "2012-09-27", "tra_redirect": true}, {"tra_keywords": ["I/O", "Parall\u00e9lisation hybride", "Parall\u00e9lisation", "Parall\u00e8le"], "tra_speakers": ["Yann Meurdesoif"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": " - Parall\u00e9lisation des I/O, d\u00e9veloppement en cours sur XIOS
\r\n
\r\n - Pr\u00e9sentation d'exp\u00e9riences de parall\u00e9lisation", "tra_id": 64, "tra_title": "Parall\u00e9lisation des I/O, d\u00e9veloppement en cours sur XIOS", "tra_objective": " - Parall\u00e9lisation des I/O, d\u00e9veloppement en cours sur XIOS
\r\n
\r\n - Pr\u00e9sentation d'exp\u00e9riences de parall\u00e9lisation mixte MPI/OpenMP sur d'autres mod\u00e8les (LMDZ, ORCHIDEE, INCA, REPROBUS...) et \u00e9changes avec Yann Meurdesoif.
\r\n", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-06-29", "tra_end_date": "2012-06-29", "tra_redirect": false}, {"tra_keywords": ["Outils de D\u00e9veloppement", "D\u00e9bogueur", "Parall\u00e8le", "Software"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "Pr\u00e9senter les possibilit\u00e9s et les avantages de l'outil de debugging de code parall\u00e8le Allinea DDT pour le debug \u00ab \u00e0 l\u2019\u00e9c", "tra_id": 60, "tra_title": "Allinea DDT - Le debugging \u00ab \u00e0 l\u2019\u00e9chelle \u00bb de codes parall\u00e8les scalables ", "tra_objective": "Pr\u00e9senter les possibilit\u00e9s et les avantages de l'outil de debugging de code parall\u00e8le Allinea DDT pour le debug \u00ab \u00e0 l\u2019\u00e9chelle \u00bb en l'appliquant \u00e0 des exemples techniques simples et concrets.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-05-30", "tra_end_date": "2012-05-30", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation Oc\u00e9anique", "Analyse de performances - HPC"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "L'\u00e9quipe MEOM: Mod\u00e9lisation des Ecoulements Oceaniques Multi\u00e9chelle (LEGI-CNRS) r\u00e9alise des simulations num\u00e9riques (code", "tra_id": 56, "tra_title": "Calcul massivement parall\u00e8le dans un contexte de mod\u00e9lisation oc\u00e9anique: retour d'exp\u00e9rience", "tra_objective": "L'\u00e9quipe MEOM: Mod\u00e9lisation des Ecoulements Oceaniques Multi\u00e9chelle (LEGI-CNRS) r\u00e9alise des simulations num\u00e9riques (code NEMO) afin de mod\u00e9liser la circulation oc\u00e9anique. Ces simulations sont r\u00e9alis\u00e9es dans diff\u00e9rents centres de calcul.
\r\n
\r\nActuellement la configuration la plus \"lourde\" (CPU-time consuming) est le mod\u00e8le ORCA au 12\u00e8me de degr\u00e9 (1 milliard de points de grille). Dans cette configuration, les simulations sont r\u00e9alis\u00e9es sur le supercalculateur SGI-Altix JADE (GENCI-CINES, Montpellier) sur 2000 \u00e0 3000 coeurs de type Nehalem.\r\n\r\n", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-03-28", "tra_end_date": "2012-03-28", "tra_redirect": false}, {"tra_keywords": ["Nanosciences"], "tra_speakers": ["Jorge Kurchan"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire M4"], "tra_snippet": "", "tra_id": 55, "tra_title": "Simulation of reaction currents", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-03-23", "tra_end_date": "2012-03-23", "tra_redirect": false}, {"tra_keywords": ["HPC", "GPU", "High Performance Computing"], "tra_speakers": ["Luigi Genovese"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "In this presentation, we will revise the main aspects of evolution of parallel architectures.", "tra_id": 42, "tra_title": "Parallel Codes and High Performance Computing: General introduction to massively parallelism", "tra_objective": "In this presentation, we will revise the main aspects of evolution of parallel architectures.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-03-14", "tra_end_date": "2012-03-14", "tra_redirect": false}, {"tra_keywords": ["HPC", "Intergiciel", "High Performance Computing", "D\u00e9ploiement sur grille"], "tra_speakers": ["Eddy Caron"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "L'objectif de cette pr\u00e9sentation sera de montrer comment nous avons\r\nint\u00e9gr\u00e9 l'application de mod\u00e8le atmosph\u00e9rique et qu", "tra_id": 44, "tra_title": "Mod\u00e9lisation atmosph\u00e9rique dans un environnement de grille de calcul : Retour d'exp\u00e9rience. ", "tra_objective": "L'objectif de cette pr\u00e9sentation sera de montrer comment nous avons\r\nint\u00e9gr\u00e9 l'application de mod\u00e8le atmosph\u00e9rique et quelles sont les\r\ntechnologies mises en \u0153uvre pour r\u00e9pondre \u00e0 l'infrastructure de grille\r\ncibl\u00e9e. Dans le cas qui nous int\u00e9resse ici, l'infrastructure cible est CIMENT\r\nle projet de calcul de taille m\u00e9soscopique au sein des Universit\u00e9s\r\nGrenobloise. ", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-03-07", "tra_end_date": "2012-03-07", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation", "Fluides complexes"], "tra_speakers": ["Fran\u00e7ois Graner", "Pierre Saramito"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 45, "tra_title": "\u00c9coulement d'un mat\u00e9riau \u00e0 la fois visqueux, \u00e9lastique, et plastique", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-02-08", "tra_end_date": "2012-02-08", "tra_redirect": false}, {"tra_keywords": ["Nanosciences", "Calcul Scientifique"], "tra_speakers": ["St\u00e9phane Redon"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire M4"], "tra_snippet": "", "tra_id": 43, "tra_title": "Adaptive algorithms for modeling and simulating nanosystems", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-01-27", "tra_end_date": "2012-01-27", "tra_redirect": false}, {"tra_keywords": ["Biblioth\u00e8que scientifique", "Calcul Scientifique", "Language de programmation", "Langage de programmation", "Fortran", "C++"], "tra_speakers": ["Christophe Picard", "Laurence Viry"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "", "tra_id": 31, "tra_title": "Fortran2003 / C++avanc\u00e9", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-01-25", "tra_end_date": "2012-01-25", "tra_redirect": false}, {"tra_keywords": ["HPC", "Calcul Scientifique", "Language de programmation"], "tra_speakers": ["Christoph Groth"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["CIMENT", "Groupe calcul Grenoblois", "MaiMoSiNE"], "tra_snippet": "How to choose the right programming language for a specific project involving numerical computation.", "tra_id": 30, "tra_title": "Introduction to programming languages and paradigms", "tra_objective": "How to choose the right programming language for a specific project involving numerical computation.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2012-01-11", "tra_end_date": "2012-01-11", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Emmanuel Trizac", "Cl\u00e9ment Mouhot"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 41, "tra_title": "Gaz granulaires : comportements cin\u00e9tiques et collectifs pour un syst\u00e8me ouvert", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-12-14", "tra_end_date": "2011-12-14", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Estelle Piot", "S\u00e9bastien Tordeux"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 38, "tra_title": "Mod\u00e8les de parois perfor\u00e9es et multiperfor\u00e9es en acoustique", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-12-07", "tra_end_date": "2011-12-07", "tra_redirect": false}, {"tra_keywords": ["Environnement", "Mod\u00e9lisation"], "tra_speakers": ["Fr\u00e9d\u00e9ric Flin", "David Coeurjolly"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "", "tra_id": 37, "tra_title": "Exp\u00e9rimentation, mod\u00e9lisation et g\u00e9om\u00e9trie discr\u00e8te pour l'\u00e9tude des m\u00e9tamorphoses de la neige", "tra_objective": "", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-11-30", "tra_end_date": "2011-11-30", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Vincent Fleury"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire DYSCO"], "tra_snippet": "Le s\u00e9minaire \u00ab dynamique des syst\u00e8mes complexes \u00bb est un lieu d'\u00e9change de la Structure F\u00e9d\u00e9rative de Recherche DYSCO (\u00e9", "tra_id": 25, "tra_title": "Physique de l\u2019embryogen\u00e8se et \u00e9volution : les transitions c\u00e9phalochord\u00e9s/cr\u00e2niates, anamniotes/amniotes, poissons/t\u00e9trapodes, quadrup\u00e8des/bip\u00e8des, s\u2019expliquent-elles par la progression \u00e0 un degr\u00e9 de l", "tra_objective": "Le s\u00e9minaire \u00ab dynamique des syst\u00e8mes complexes \u00bb est un lieu d'\u00e9change de la Structure F\u00e9d\u00e9rative de Recherche DYSCO (\u00e9volution du PPF \u00e9ponyme) et se focalise sur des probl\u00e8mes d\u2019actualit\u00e9s en fluides complexes, biophysique, syst\u00e8mes nonlin\u00e9aires, m\u00e9canique et g\u00e9omat\u00e9riaux. 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Le d\u00e9nominateur commun a \u00e9t\u00e9 la probl\u00e9matique des rh\u00e9ologies complexes dans les fluides et les solides, th\u00e8me omnipr\u00e9sent dans diff\u00e9rentes disciplines : physique, m\u00e9canique, g\u00e9ophysique, et math\u00e9matiques. Une part importante a \u00e9t\u00e9 consacr\u00e9e \u00e9galement au biomim\u00e9tisme de la dynamique cellulaire, en se focalisant sur des probl\u00e8mes simplifi\u00e9s mais contr\u00f4l\u00e9s, telles les v\u00e9sicules de phospholipides, et en augmentant leur degr\u00e9 de complexit\u00e9 de mani\u00e8re progressive afin de mimer le comportement visco\u00e9lastique des cellules r\u00e9elles.", "tra_web": "http://www-ljk.imag.fr/membres/Emmanuel.Maitre/DYSCO", "tra_place": "Saint-Martin d'H\u00e8res", "tra_start_date": "2011-09-27", "tra_end_date": "2011-09-27", "tra_redirect": false}, {"tra_keywords": [], "tra_speakers": ["Alain Arneodo"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire DYSCO"], "tra_snippet": "", "tra_id": 21, "tra_title": "Nucleosome positioning by exculding genomic energy barriers", "tra_objective": "", "tra_web": "http://ljk.imag.fr/membres/Emmanuel.Maitre/DYSCO/doku.php", "tra_place": "Grenoble", "tra_start_date": "2011-06-14", "tra_end_date": "2011-06-14", "tra_redirect": false}, {"tra_keywords": ["Rh\u00e9ologie", "Fluides complexes", "Interaction solide/fluide"], "tra_speakers": [], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["Journ\u00e9e scientifique de la Fed3G"], "tra_snippet": "Cette journ\u00e9e est destin\u00e9e \u00e0 rapprocher les acteurs du site impliqu\u00e9s dans la mesure exp\u00e9rimentale, la mod\u00e9lisation et l", "tra_id": 20, "tra_title": "Journ\u00e9e Scientifique Fed3G : Transition et interaction solide/fluide dans les milieux granulaires et les fluides complexes", "tra_objective": "Cette journ\u00e9e est destin\u00e9e \u00e0 rapprocher les acteurs du site impliqu\u00e9s dans la mesure exp\u00e9rimentale, la mod\u00e9lisation et la simulation de syst\u00e8mes avec des comportements de type solide et fluide, solide puis fluide ou inversement. Cette journ\u00e9e est ouverte \u00e0 toutes et \u00e0 tous, dont les \u00e9tudiants de master. Elle fera une large place aux \u00e9changes entre intervenants et participant(e)s.\r\n", "tra_web": "http://www.ujf-grenoble.fr/universite/medias-et-communication/actualites/journee-scientifique-de-la-fed3g-212611.htm?RH=1307716760117", "tra_place": "Saint-Ismier", "tra_start_date": "2011-05-30", "tra_end_date": "2011-05-30", "tra_redirect": false}, {"tra_keywords": [], "tra_speakers": ["Fahrang Rajai"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire DYSCO"], "tra_snippet": "", "tra_id": 17, "tra_title": "\u00c9coulements Granulaires : mod\u00e9lisation num\u00e9rique et analyse physique", "tra_objective": "", "tra_web": "http://www-ljk.imag.fr/membres/Emmanuel.Maitre/DYSCO/doku.php", "tra_place": "Saint-Martin d'H\u00e8res", "tra_start_date": "2011-04-28", "tra_end_date": "2011-04-28", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Fr\u00e9d\u00e9ric Chevy", "Ionut Danaila"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ..", "tra_id": 11, "tra_title": "Tourbillons quantiques dans les condensats de Bose-Einstein en rotation", "tra_objective": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ...) pr\u00e9sente la probl\u00e9matique et le mod\u00e8le puis un math\u00e9maticien qui se penche sur les probl\u00e8mes th\u00e9oriques et num\u00e9riques li\u00e9s au mod\u00e8le.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-04-13", "tra_end_date": "2011-04-13", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Jean-Jacques Marigo", "Gilles Francfort"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. 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Notre expos\u00e9 va pr\u00e9senter diff\u00e9rents mod\u00e8les et m\u00e9thodes num\u00e9riques d\u00e9velopp\u00e9es pour la simulation d'\u00e9coulements r\u00e9solus \u00e0 surface libre et particulaires \u00e0 petite \u00e9chelles (diam\u00e8tre des gouttes ou des particules plus petits que la dimension des mailles).", "tra_web": "http://www-ljk.imag.fr/membres/Emmanuel.Maitre/DYSCO/doku.php", "tra_place": "Grenoble", "tra_start_date": "2011-02-24", "tra_end_date": "2011-02-24", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Marie-Aim\u00e9e Dronne", "Guillemette Chapuisat"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ..", "tra_id": 10, "tra_title": "Mod\u00e9lisation de l'Accident Vasculaire C\u00e9r\u00e9bral isch\u00e9mique et existence d'onde de d\u00e9polarisation", "tra_objective": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ...) pr\u00e9sente la probl\u00e9matique et le mod\u00e8le puis un math\u00e9maticien qui se penche sur les probl\u00e8mes th\u00e9oriques et num\u00e9riques li\u00e9s au mod\u00e8le.", "tra_web": "http://www-ljk.imag.fr/Seminars/1294663529764.html", "tra_place": "Grenoble", "tra_start_date": "2011-02-16", "tra_end_date": "2011-02-16", "tra_redirect": false}, {"tra_keywords": ["Compressible", "Navier-Stokes", "Mod\u00e9lisation"], "tra_speakers": ["Didier Bresch"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["MaiMoSiNE"], "tra_snippet": "

Dans ce cours, nous d\u00e9crirons les m\u00e9thodes actuelles permettant de montrer le caract\u00e8re bien pos\u00e9 des \u00e9quations de Na", "tra_id": 1, "tra_title": " Sur le caract\u00e8re bien pos\u00e9 des \u00e9quations de Navier-Stokes", "tra_objective": "

Dans ce cours, nous d\u00e9crirons les m\u00e9thodes actuelles permettant de montrer le caract\u00e8re bien pos\u00e9 des \u00e9quations de Navier-Stokes compressible avec r\u00e9gularit\u00e9 faible sur les donn\u00e9es.

\r\n", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-02-15", "tra_end_date": "2011-02-15", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["J\u00e9r\u00f4me Perez", "Florian M\u00e9hats"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ..", "tra_id": 9, "tra_title": "Stabilit\u00e9 des syst\u00e8mes sph\u00e9riques form\u00e9s de particules en interaction gravitationnelle", "tra_objective": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ...) pr\u00e9sente la probl\u00e9matique et le mod\u00e8le puis un math\u00e9maticien qui se penche sur les probl\u00e8mes th\u00e9oriques et num\u00e9riques li\u00e9s au mod\u00e8le.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-02-09", "tra_end_date": "2011-02-09", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Guy Theraulaz", "Pierre Degond"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ..", "tra_id": 8, "tra_title": "D\u00e9crypter les interactions au sein des groupes d'animaux : approches crois\u00e9es de l'\u00e9thologie et des math\u00e9matiques", "tra_objective": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ...) pr\u00e9sente la probl\u00e9matique et le mod\u00e8le puis un math\u00e9maticien qui se penche sur les probl\u00e8mes th\u00e9oriques et num\u00e9riques li\u00e9s au mod\u00e8le.", "tra_web": "", "tra_place": "Grenoble", "tra_start_date": "2011-01-26", "tra_end_date": "2011-01-26", "tra_redirect": false}, {"tra_keywords": ["Mod\u00e9lisation"], "tra_speakers": ["Marcel Filoche", "C\u00e9line Grandmont"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["S\u00e9minaire MODANT"], "tra_snippet": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ..", "tra_id": 7, "tra_title": "Mod\u00e9lisation du poumon", "tra_objective": "Le s\u00e9minaire MODANT est d\u00e9di\u00e9 \u00e0 la mod\u00e9lisation. Les conf\u00e9renciers sont invit\u00e9s en bin\u00f4me : un physicien (biologiste, ...) pr\u00e9sente la probl\u00e9matique et le mod\u00e8le puis un math\u00e9maticien qui se penche sur les probl\u00e8mes th\u00e9oriques et num\u00e9riques li\u00e9s au mod\u00e8le.\r\n", "tra_web": "http://www-ljk.imag.fr/Seminars/1294047007308.html", "tra_place": "Grenoble", "tra_start_date": "2011-01-19", "tra_end_date": "2011-01-19", "tra_redirect": false}, {"tra_keywords": ["Nanosciences"], "tra_speakers": ["St\u00e9phane Redon"], "tra_type": "S\u00e9minaire", "tra_type_slug": "seminaire", "tra_frames": ["Fondation NanoSciences"], "tra_snippet": "Ce s\u00e9minaire est une opportunit\u00e9 de d\u00e9couvrir les domaines de recherche de l'\u00e9quipe de recherche NANO-D de l'INRIA Greno", "tra_id": 4, "tra_title": "Adaptive algorithms for modeling and simulation", "tra_objective": "Ce s\u00e9minaire est une opportunit\u00e9 de d\u00e9couvrir les domaines de recherche de l'\u00e9quipe de recherche NANO-D de l'INRIA Grenoble Rhone-Alpes (resp: St\u00e9phane Redon) en interactions avec la communaut\u00e9 scientifique locale.\r\n", "tra_web": "", "tra_place": "Saint-Ismier", "tra_start_date": "2010-11-04", "tra_end_date": "2010-11-04", "tra_redirect": false}]}